/* ============================================================
   Academia Pilar Garijo — Área privada
   Misma paleta que la landing: granate #4e3133 · menta #a3edcc ·
   gris #d4d5d0 · taupe #c0b4a8 · #74655e
   ============================================================ */

:root {
  --ink: #4e3133;
  --black: color-mix(in oklab, var(--ink) 75%, black);
  --white: #ffffff;
  --page: color-mix(in oklab, #d4d5d0 55%, var(--white));   /* fondo — igual que la home */
  --cream: #d4d5d0;
  --taupe: #c0b4a8;
  --mint: #a3edcc;
  --cream-deep: color-mix(in oklab, var(--ink) 12%, var(--white));
  --line: color-mix(in oklab, var(--taupe) 55%, var(--white));
  --ink-soft: #74655e;
  --ink-faint: color-mix(in oklab, var(--ink-soft) 55%, var(--white));

  --font-display: "Season Sans", system-ui, sans-serif;
  --font-body: "Season Sans", system-ui, sans-serif;
  --font-label: "GT Pressura", system-ui, sans-serif;
  --radius: 2px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ink); color: var(--white); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }

button { font-family: var(--font-body); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  padding: 15px 28px;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, transform 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn--solid { background: var(--ink); color: var(--white); }
.btn--solid:hover { background: var(--black); border-color: var(--black); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--white); }

.kicker {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ============================================================
   Login
   ============================================================ */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(900px 480px at 50% -10%, var(--cream-deep) 0%, transparent 70%),
    var(--cream);
}
.login-card {
  width: min(420px, 100%);
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(36px, 5vw, 52px);
  display: flex;
  flex-direction: column;
  gap: 26px;
  box-shadow: 0 30px 80px -50px color-mix(in oklab, var(--ink) 50%, transparent);
}
.login-card .wordmark {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  line-height: 1.1;
  gap: 6px;
}
.wordmark img.wordmark-logo { height: 34px; width: auto; display: block; }
.login-card .wordmark img.wordmark-logo { height: 58px; }
.login-card .wordmark strong {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.login-card .wordmark > span {
  font-family: var(--font-label);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.login-card h1 {
  font-size: 24px;
  text-align: center;
}
.login-card .hint {
  text-align: center;
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: -14px;
}
.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.field label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.field input {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  color: var(--ink);
  background: var(--white);
  border: none;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 9px 2px 11px;
  outline: none;
  transition: border-color 0.2s ease;
}
.field input::placeholder { color: color-mix(in oklab, var(--ink) 30%, var(--white)); }
.field input:focus { border-bottom-color: var(--ink); }
.login-aux {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ink-faint);
}
.login-aux a { color: inherit; }
.login-back {
  text-align: center;
  font-size: 13px;
  color: var(--ink-faint);
}
.login-back a { color: inherit; }

/* ============================================================
   Área privada — layout
   ============================================================ */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: color-mix(in oklab, var(--page) 90%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
  padding: 0 clamp(20px, 3vw, 40px);
}
.app-header .wordmark {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.app-header .wordmark strong {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.app-header .wordmark > span {
  font-family: var(--font-label);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-left: 1px solid var(--line);
  padding-left: 12px;
}
.app-user {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13.5px;
  color: var(--ink-soft);
}
.app-user .avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 15px;
}
.app-user button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 6px 0;
}
.app-user button:hover { color: var(--ink); }

.app-body {
  flex: 1;
  display: grid;
  grid-template-columns: 340px 1fr;
  align-items: stretch;
  max-width: 1500px;
  width: 100%;
  margin: 0 auto;
}

/* ---------- sidebar de lecciones ---------- */
.sidebar {
  background: var(--white);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.course-head {
  padding: 28px 28px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.course-head h2 {
  font-size: 23px;
}
.progress {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.progress-bar {
  height: 3px;
  background: var(--line);
  overflow: hidden;
}
.progress-bar i {
  display: block;
  height: 100%;
  background: var(--ink);
  transition: width 0.4s ease;
}
.progress > span {
  font-family: var(--font-label);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.lesson-nav {
  flex: 1;
  overflow-y: auto;
  padding: 10px 0 16px;
}
.module-label {
  padding: 20px 28px 8px;
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.lesson-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  background: none;
  border: none;
  border-left: 2px solid transparent;
  padding: 13px 28px 13px 26px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 300;
  color: var(--ink-soft);
  transition: background 0.15s ease, color 0.15s ease;
}
.lesson-item:hover { background: var(--cream); color: var(--ink); }
.lesson-item.active {
  border-left-color: var(--ink);
  background: var(--cream);
  color: var(--ink);
  font-weight: 400;
}
.lesson-status {
  width: 22px;
  height: 22px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 11.5px;
  color: var(--ink-faint);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.lesson-item.done .lesson-status {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}
.lesson-item .lesson-name { flex: 1; }
.lesson-item .lesson-dur {
  font-size: 11.5px;
  color: var(--ink-faint);
  flex: none;
}
.lesson-item .has-note {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-faint);
  flex: none;
}

.sidebar-footer {
  border-top: 1px solid var(--line);
  padding: 20px 28px;
}
.sidebar-footer .btn { width: 100%; }

/* ---------- visor ---------- */
.viewer {
  padding: clamp(24px, 3.4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-width: 0;
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ink);
  color: var(--white);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.video-frame .play {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 1px solid color-mix(in oklab, var(--white) 50%, transparent);
  background: color-mix(in oklab, var(--white) 8%, transparent);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}
.video-frame .play:hover {
  background: color-mix(in oklab, var(--white) 18%, transparent);
  transform: scale(1.05);
}
.video-frame .play svg { margin-left: 5px; }
.video-frame .video-caption {
  position: absolute;
  left: 24px;
  bottom: 18px;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--white) 55%, var(--ink));
}
.video-frame .video-dur {
  position: absolute;
  right: 24px;
  bottom: 18px;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: color-mix(in oklab, var(--white) 55%, var(--ink));
}

.lesson-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lesson-head .kicker { display: block; }
.lesson-head h1 {
  font-size: clamp(28px, 3vw, 40px);
}
.lesson-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.mark-done {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 18px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s ease;
}
.mark-done:hover { border-color: var(--ink); color: var(--ink); }
.mark-done.is-done {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.lesson-text {
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(24px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 16.5px;
  color: var(--ink-soft);
  max-width: 76ch;
}
.lesson-text h3 {
  font-size: 21px;
  color: var(--ink);
}

.notes {
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(24px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.notes-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.notes-head h3 {
  font-size: 21px;
}
.notes-head > span {
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}
.notes textarea {
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid transparent;
  border-radius: 0;
  padding: 18px;
  min-height: 140px;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.notes textarea:focus {
  background: var(--white);
  border-color: var(--ink);
}
.notes textarea::placeholder { color: color-mix(in oklab, var(--ink) 32%, var(--white)); }

.lesson-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.lesson-pager .btn { padding: 13px 22px; }
.lesson-pager .btn[disabled] {
  opacity: 0.35;
  pointer-events: none;
}

/* responsive */
@media (max-width: 900px) {
  .app-body { grid-template-columns: 1fr; }
  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .lesson-nav { max-height: 320px; }
}